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Use our lump sum savings calculator to work out how much your savings could be worth in the future. This calculates how your savings will grow over time and the impact of compound interest.

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Lump Sum Savings Calculator

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Why use a lump sum investment savings calculator?

Before you decide on a savings account, you’ll want to know how much you can earn from it. This lump sum savings calculator will help you to  precisely calculate the amount of interest you’ll receive by contributing a lump sum of money to your savings account, helping you see if your preferred account is right for you. Ideally, the lump sum savings calculator will be used in conjunction with our savings charts – especially our fixed rate bond and fixed rate ISA charts – so that you can see the impact different interest rates will have on your savings.

How to use the lump sum investment savings calculator

Our lump sum investment calculator is very easy to use. All you have to do is add the amount you plan to invest in the first box, the annual interest rate in the next box, and finally the length of time this interest rate will apply for in the bottom box. Once all the boxes have been filled in, click on the ‘calculate’ button and the amount your investment will be worth after your chosen time period will be automatically calculated for you.

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